We here describe and illustrate 11 species of Euplocania in species group Amabilis from Brazil, Colombia and Ecuador. They raise to 33 the number of species described in the genus. An identification key to the males in the species group is included.
Callibaetis es un género de amplia distribución en Suramérica. Aunque se encuentra citado para Colombia, no se conocían registros a nivel específico. El presente estudio documenta por primera vez la presencia Callibaetis radiatus y C. viviparus para el país. La especie C. radiatus está citada para Argentina, Brasil y Paraguay, mientras que C. viviparus solamente para Brasil. Con estos registros se expande el rango de distribución de ambas especies hasta el norte de la región andina.
Four species of Euplocania from Colombia (Euplocania huitota n. sp., E. kakwa n. sp., E. nukak n. sp. and E. ticuna n. sp.) and four species from Ecuador (E. napensis n. sp., E. shuar n. sp., E. teslai n. sp. and E. waorani n. sp.), in four species groups, are described and illustrated. The new species group ticuna, from Colombia and waorani, from Ecuador are diagnosed. The number of species in Euplocania is raised to 61, in 17 species groups. A key to the males of the known species of Euplocania is presented.
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